The RF1404C from Murata is a Band Pass Filter with Frequency 433.27 to 434.57 MHz, Bandwidth 0.65 MHz, Center Frequency 433.92 MHz, Insertion Loss 1.6 to 4 dB, Power 0.01 W. Tags: Surface Mount, Ceramic, Surface Mount, RF SAW Filter, Ceramic Filter. More details for RF1404C can be seen below.